Magnetic Methods And The Timing Of Geological Processes

Author : Luigi Jovane,Emilio Herrero-Bervera,Linda Alide Hinnov,Bernard Arthur Housen
Publisher : Geological Society of London
Page : 399 pages
File Size : 45,9 Mb
Release : 2013
Category : Science
ISBN : 9781862393547

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Magnetic Methods and the Timing of Geological Processes by Luigi Jovane,Emilio Herrero-Bervera,Linda Alide Hinnov,Bernard Arthur Housen Pdf

Magnetostratigraphy is best known as a technique that employs correlation among different stratigraphic sections using the magnetic directions defining geomagnetic polarity reversals as marker horizons. The ages of the polarity reversals provide common tie points among the sections, allowing accurate time correlation. Recently, studies of magnetic methods and the timing of geological processes have acquired a broader meaning, now referring to many types of magnetic measurements within a stratigraphic sequence. Many of these measurements provide correlation and age control not only for the older and younger boundaries of a polarity interval, but also within intervals. Thus, magnetostratigraphy no longer represents a dating tool based only on geomagnetic polarity reversals, but comprises a set of techniques that includes measurements of geomagnetic field parameters, environmental magnetism, rock-magnetic properties, radiometric dating and astronomically forced palaeoclimatic change recorded in sedimentary rocks, and key corrections to magnetic directions related to geodynamics, palaeocurrents, tectonics and diagenetic processes --

Author : Kenneth P. Kodama,Linda A. Hinnov
Publisher : John Wiley & Sons
Page : 176 pages
File Size : 49,9 Mb
Release : 2014-10-06
Category : Science
ISBN : 9781118561324

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Rock Magnetic Cyclostratigraphy by Kenneth P. Kodama,Linda A. Hinnov Pdf

Rock magnetic cyclostratigraphy merges environmental magnetism,in which rock magnetic measurements are used to detect pastenvironmental change, and cyclostratigraphy, in which cyclicvariations of lithology or a sedimentary rock’s physicalproperties are related to astronomically-forced paleoclimatechange. In addition to providing paleoclimate data,cyclostratigraphy can establish high-resolution chronostratigraphyfor a sequence of sedimentary rocks, even at distant times inEarth’s history. This book provides an overview of conceptsunderlying these two techniques, recipes for the time seriesanalysis of cyclostratigraphy, and case studies to illustrate thevariety and breadth of problems addressed by rock magneticcyclostratigraphy. New Analytical Methods in Earth and EnvironmentalScience Because of the plethora of analytical techniques now available, andthe acceleration of technological advance, many earth scientistsfind it difficult to know where to turn for reliable information onthe latest tools at their disposal, and may lack the expertise toassess the relative strengths or limitations of a particulartechnique. This new series will address these difficulties byproviding accessible introductions to important new techniques, laband field protocols, suggestions for data handling andinterpretation, and useful case studies. The series represents aninvaluable and trusted source of information for researchers,advanced students and applied earth scientists wishing tofamiliarise themselves with emerging techniques in theirfield. All titles in this series are available in a variety offull-colour, searchable e-book formats.

Author : Steven Earle
Publisher : Unknown
Page : 628 pages
File Size : 55,9 Mb
Release : 2016-08-12
Category : Electronic
ISBN : 1537068822

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Physical Geology by Steven Earle Pdf

This is a discount Black and white version. Some images may be unclear, please see BCCampus website for the digital version.This book was born out of a 2014 meeting of earth science educators representing most of the universities and colleges in British Columbia, and nurtured by a widely shared frustration that many students are not thriving in courses because textbooks have become too expensive for them to buy. But the real inspiration comes from a fascination for the spectacular geology of western Canada and the many decades that the author spent exploring this region along with colleagues, students, family, and friends. My goal has been to provide an accessible and comprehensive guide to the important topics of geology, richly illustrated with examples from western Canada. Although this text is intended to complement a typical first-year course in physical geology, its contents could be applied to numerous other related courses.

Author : Neville Exon
Publisher : ANU Press
Page : 231 pages
File Size : 43,9 Mb
Release : 2017-10-24
Category : Science
ISBN : 9781760461461

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Exploring the Earth under the Sea by Neville Exon Pdf

Exploring the Earth under the Sea brings to life the world’s largest and longest-lived geological research program, which has been drilling over many decades at many locations deep below the ocean floor to recover continuous cores of sediment and rock. Study of these materials has helped us understand how the Earth works now, how it has worked in the past and how it may work in the future. The cores are a wonderful source of information on the dynamic processes that form and reform the Earth, both beneath the ocean and on land. The results have revealed climate and oceanographic change on different time frames, the history of life in the sea and on land including global mass extinctions, the extraordinary story of the great masses of ‘extremophile’ microbes that live beneath the sea bed, the nature of the giant earthquakes and tsunami generated at the trenches where tectonic plates collide, and the nature of submarine volcanoes and metalliferous deposits. This book outlines the technology and enduring international partnerships that underlie the scientific ocean drilling accomplished by the first phase of IODP, currently involving 23 countries. It highlights the important role of Australian and New Zealand scientists in the program, and the great scientific benefits we have derived from our partnership since joining IODP in 2008. As well as the scientific summaries, there are personal accounts by shipboard scientists of how they found life at sea on two-month expeditions, working 12-hour shifts on a noisy drill ship.

Author : Thomas Defler
Publisher : Springer
Page : 372 pages
File Size : 46,5 Mb
Release : 2018-12-19
Category : Science
ISBN : 9783319984490

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History of Terrestrial Mammals in South America by Thomas Defler Pdf

This book takes a non-technical approach in covering the evolution of South American mammalian fauna throughout geological history, and discusses how South America has changed due to mammalian invasions. Unlike other works on the subject, this book attempts to answer several crucial questions that often go unmentioned together in one cohesive monograph. What was the fauna like before the American interchange? What were the origins of the now-extinct groups when northern species arrived and out-competed them? How did the modern mammalian fauna come into being with such disparate animal groups? This information is given from a historical perspective throughout the book's 15 chapters, and is presented in an easily graspable fashion by mostly avoiding technical language. The book is written for academics, scientists and scholars engaged in paleontology, zoology and evolutionary biology, but may also appeal to a larger audience of general readers interested in mammalian evolution. The book begins with an introduction, describing the tools necessary to interpret the evolutionary history of South American mammals in geological terms and some of the early people who helped found South American mammalian paleontology. Chapter 2 describes the Mesozoic first mammals of Gondwana and what we are learning about them, dominant before the K/T extinction event. Then chapters 3 through 8 cover the Cenozoic, or "Age of Mammals", highlighting the major mammalian groups of South America that replaced the earlier mammals of Gondwana. These groups include the marsupials, native ungulates, the xenarthrans (armadillos, anteaters, sloths), the caviomorphs (rodents), and the platyrrhine monkeys. Chapters 9 and 10 address the Antarctic La Meseta fossils and the Colombian La Venta fossil faunal assemblages. Chapter 11 discusses the neotropical mammals that invaded the Caribbean Islands, and illustrates the influence South America has had on adjacent faunas. Chapter 12 describes the origin of the Amazon River and the role it has played in the evolution of the mammals and other flora and fauna. Chapter 13 tells the story of the Great American Biotic Interchange (GABI), and chapter 14 follows this up with a discussion of the Pleistocene mammal communities and their eventual extinction. Chapter 15 concludes the text by discussing the modern mammals of South America, and how despite the extensive Pleistocene extinctions there is still a lot of mammalian diversity in South America.

Author : Donald H. Tarling
Publisher : Springer Science & Business Media
Page : 388 pages
File Size : 45,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400959552

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Palaeomagnetism by Donald H. Tarling Pdf

Palaeomagnetism and archaeomagnetism are fascinating specialized studies because they are applicable to such a wide range of problems in geology, archaeology and geophysics. They can also be undertaken cheaply, when compared with most other geophysical techniques, and, at first sight, simply. In fact, real comprehension of the magnetic processes that have occurred in rocks and other types of material over several thousands or many millions of years is still extremely difficult to assess and measure. On this basis, this book cannot explain all such features, nor can it attempt to cover all the actual and potential applications of the method. All that can be attempted is to give an impression of the ways in which such techniques can be used in a wide variety of fields, and how these techniques are usually applied. The magnetization of rocks is, in fact, one of the earliest of the true sciences, but we are still not in a position to answer many of the problems posed. Consequently some of the examples given of applications are, essentially, state-of-the-art comments, rather than being a review as such. The changing position of the geomagnetic poles with time is still not adequately defined, for example, and some of the more recent conventional views are given, although the emphasis is placed on more subjective, probably more controversial, evaluations.

Author : Marion Eugene Bickford
Publisher : Unknown
Page : 446 pages
File Size : 40,6 Mb
Release : 2017
Category : Science
ISBN : 0813725232

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The Web of Geological Sciences by Marion Eugene Bickford Pdf

The web of geological sciences, Special papers 500 and 523, written in celebration of the 125th anniversary of the Geological Society of America.

Author : William J. Hinze,Ralph R. B. von Frese,R. Von Frese,Afif H. Saad
Publisher : Cambridge University Press
Page : 527 pages
File Size : 47,7 Mb
Release : 2013-03-14
Category : Science
ISBN : 9780521871013

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Gravity and Magnetic Exploration by William J. Hinze,Ralph R. B. von Frese,R. Von Frese,Afif H. Saad Pdf

"This combination textbook and reference manual provides a comprehensive account of the principles, practices, and application of gravity and magnetic methods for exploring the subsurface using surface, marine, airborne, and satellite measurements. Key current topics and techniques are described, including high-resolution magnetic investigations, time-variation gravity analysis from surface and satellite gravity measurements, absolute and gradient gravimetry, and the role of GPS in mapping gravity and magnetic fields. The book also describes the physical properties of rocks and other earth materials that are critical to the effective design, implementation and interpretation of surveys, and presents a thorough overview of digital data analysis methods used to process and interpret anomalies for subsurface information. This book is an ideal text for advanced undergraduate and graduate courses, but also serves as a reference for research academics, professional geophysicists, and managers of exploration programs that include gravity and magnetic methods. It is a valuable resource for all those interested in petroleum, engineering, mineral, environmental, geological and archeological exploration of the lithosphere"--

Author : Anonim
Publisher : Cambridge University Press
Page : 457 pages
File Size : 51,6 Mb
Release : 2024-06-28
Category : Electronic
ISBN : 9780521809511

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Geophysics for the Mineral Exploration Geoscientist by Anonim Pdf

Author : William F. Hanna
Publisher : Unknown
Page : 116 pages
File Size : 53,8 Mb
Release : 1990
Category : Aeromagnetic prospecting
ISBN : ERDC:35925002681499

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Geologic Applications of Modern Aeromagnetic Surveys by William F. Hanna Pdf

Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies
Publisher : Unknown
Page : 1482 pages
File Size : 44,6 Mb
Release : 1990
Category : United States
ISBN : UOM:39015039891786

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Justification of the budget estimates, Geological Survey by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies Pdf

Author : Anonim
Publisher : Unknown
Page : 108 pages
File Size : 41,5 Mb
Release : 1983
Category : Geology
ISBN : RUTGERS:39030041200769

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U.S. Geological Survey Bulletin by Anonim Pdf

Author : F M Gradstein
Publisher : Elsevier
Page : 1176 pages
File Size : 48,9 Mb
Release : 2012-08-14
Category : Science
ISBN : 9780444594259

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The Geologic Time Scale 2012 by F M Gradstein Pdf

The Geologic Time Scale 2012, winner of a 2012 PROSE Award Honorable Mention for Best Multi-volume Reference in Science from the Association of American Publishers, is the framework for deciphering the history of our planet Earth. The authors have been at the forefront of chronostratigraphic research and initiatives to create an international geologic time scale for many years, and the charts in this book present the most up-to-date, international standard, as ratified by the International Commission on Stratigraphy and the International Union of Geological Sciences. This 2012 geologic time scale is an enhanced, improved and expanded version of the GTS2004, including chapters on planetary scales, the Cryogenian-Ediacaran periods/systems, a prehistory scale of human development, a survey of sequence stratigraphy, and an extensive compilation of stable-isotope chemostratigraphy. This book is an essential reference for all geoscientists, including researchers, students, and petroleum and mining professionals. The presentation is non-technical and illustrated with numerous colour charts, maps and photographs. The book also includes a detachable wall chart of the complete time scale for use as a handy reference in the office, laboratory or field. The most detailed international geologic time scale available that contextualizes information in one single reference for quick desktop access Gives insights in the construction, strengths, and limitations of the geological time scale that greatly enhances its function and its utility Aids understanding by combining with the mathematical and statistical methods to scaled composites of global succession of events Meets the needs of a range of users at various points in the workflow (researchers extracting linear time from rock records, students recognizing the geologic stage by their content)

Author : Sisir K. Mondal,William L. Griffin
Publisher : Elsevier
Page : 384 pages
File Size : 41,9 Mb
Release : 2017-09-08
Category : Science
ISBN : 9780128111604

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Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time by Sisir K. Mondal,William L. Griffin Pdf

Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time focuses on the fundamental processes that control the formation of ore deposits from ultramafic-mafic magmas, covering chromite, platinum-group element (PGE), Ni-sulfides and Ti-V-bearing magnetite. The exploration, exploitation and use of these magmatic ores are important aspects of geology and directly linked to the global economy. Magmatic ores form from ultramafic-mafic magmas and crystallize at high-temperature after emplacement into crustal magma chambers, and are genetically linked to the evolution of the parental magmas through space and time. This book features recent developments in the field of magmatic ore deposits, and is an essential resource for both industry professionals and those in academia. Elucidates the relationships between tectonic settings and magmatic ore mineralization Provides the links between magma generation in the mantle and ore mineralization at crustal levels Features the latest research on changing patterns in magmatic ore mineralization through time and their bearing on the chemical evolution of the Earth’s mantle

Author : Geological Survey (U.S.)
Publisher : Unknown
Page : 138 pages
File Size : 42,7 Mb
Release : 1993
Category : Geology
ISBN : OSU:32435059852848

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United States Geological Survey Yearbook by Geological Survey (U.S.) Pdf